Web Development Archives - Page 3 of 43

Accessor and Mutators in Laravel

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Accessor and Mutators are allowed to alter the data before saving and fetching from the database. An accessor is used to change the format while fetching the data from the database and mutators set the format attributes before retrieving the data from the database.

Why do we need this Read more…

WireShark For Network Traffic Investigation

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Introduction

Wireshark is an open-source network protocol that is responsible to investigate the network traffic and for visual understanding of packet loss. It is used to troubleshoot the network connectivity and review the TCP (Transmission Control Protocol) transmission between the source and destination endpoints. WireShark is also Read more…

Convert Set data into String

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Introduction

When working with sets in apex sometimes we need to create a string from the set’s values but there is no function that can convert a set into a string as we have for lists. To convert set into a string we can use these two Read more…

Display custom validation Error in the DateBox of Devextreme

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Introduction

Devextreme is a powerful component suite for developing highly responsive web applications. It has many built-in Widgets for the web developer to use and customize as per the need of the application. Among all the Widgets there is one widget with name DateBox. To display custom Read more…

Types of Plugins in Moodle and Totara: When to Create Which One

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What are Moodle and Totara?

Moodle is a modular system. Totara extends the core structure of Moodle. The LMS is meant to handle the core necessities expected of a high-end company LMS. This means that Moodle and Totara both were built to be able to include additional Read more…

Migrations in Entity Framework 6

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Whenever a data model changes during development it gets out of sync with the current database in code first approach. The database initialization strategies that we used in our project result in loss of data whenever there are changes in model classes. The solution to this problem is migrations. By Read more…

Invisible/Zero-width characters in IE

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Introduction

In Internet Explorer, many times you might have faced issues of invalid date from Date Conversion methods or might have worked with Javascript methods for operations on data. In my case, I used some conversion operation on a date in IE, after that I had to use Read more…

RxJS (Reactive Extensions for JavaScript)

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Introduction to RxJS

RxJS is a popular library among web developers. It provides some features like functional and reactive programming patterns that support working with events and streams. Rxjs provides the functionality to write asynchronous code. The current stable version is Rxjs v6.

RxJS 6 has many advantages Read more…

Validating Downloaded File Using Selenium

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Validating downloaded files in automation testing

In the manual testing process, it is easy validating that the file is downloaded or not because the human mind is fully involved in the testing process. But in the case of automation testing, it is important to verify that the file Read more…

Font SVG icon issues in IE

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Problem

After downloading the setup of CSS for icon files (.eot, .woff, .tff.) from font awesome library, Devextreme icons, and UI operations like selecting checkboxes inside the Devextreme Datagrid were not working on IE in my c# .net web application. Although it was working correctly in all other Read more…

PHP Best Practices

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Below are the best practices that should be followed in PHP:

1. define() vs. const

In the early version of PHP, one would use define() function to set constants. But with new updates in PHP gained one more way to declare constants as “const”. They both Read more…

What is Bootstrap Panel?

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Introduction

Bootstrap is a popular HTML, CSS, and JavaScript framework for developing a responsive and mobile-friendly website. It includes jumbotron, table, button, grid, form, image, alert, wells, container, carousel, panels, glyph icon, badges, labels, progress bar, pagination, pager, list group, dropdown, collapse, tabs, pills, navbar, inputs, modals Read more…

Creating Rest API in Node Js

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Rest API

Rest API is an application program interface, that uses GET, POST, PUT, DELETE data. It is referred to as a REPRESENTATIONAL STATE TRANSFER (RESTful) web service.

Creating the API

Creating Rest API in Node Js firstly needs to make a directory(mkdir restfulapi) to Read more…

Visual Composer in WordPress

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What is Visual Composer and how to use it in WordPress?

Visual composer is a WordPress plugin that permits you to drag and drop components to create and edit your WordPress website. You can simply add new text blocks, buttons, images, etc. Simply drag the element to the Read more…

Python OpenCV

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Introduction to Python OpenCV

Python OpenCV Usage:- For main modules- run pip install OpenCV-python

cv2.imread() method

This method loads an image from the specified file and if the image cannot be read due to some error, it returns an empty matrix.
If we specify Read more…

Template-Driven Forms

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Introduction

Template-driven forms are the kind of forms in Angular. In Template Driven Forms, we specify validations using directives and attributes. In this approach, we define the template that we want to use in forms. So, this approach is called a template-driven approach. In other words Read more…

Utmost Web Development Trends to Embrace in 2020

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Trends in Web Development

Given that eCommerce, content creation, startup development and other industries are saturated with competitive brands, developing a worthwhile website in 2020 is pivotal for success. Whether you’re a web development professional or are looking for ways to enhance your business’ website, 2020 surely Read more…

Push Logs in a Custom Plugin – WordPress

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How to Push logs to Amazon Cloudwatch in a custom plugin in WordPress?

AWS

Amazon Web Services is a secure cloud services platform that offers database storage, compute power, content delivery, other storage & security functionalities and AWS services.

Cloudwatch

Amazon Cloudwatch is a monitoring Read more…

How to create separate close-able tab dynamically using Devextreme

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Devextreme UI

The Devextreme provides a strong feature for the UI, you could change your UI appearance in an easy and simple way. You can also set the records whatever you want to show in the UI at run-time.

In the example, I will show how to Read more…

How to push code to TFS using Visual Studio?

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TFS

TFS is an acronym for Team Foundation Server which is widely used with Visual Studio. We can directly use the Visual Studio to push code to Team Foundation Server using some simple steps.

Steps

Step 1: Open the Visual Studio editor.

Step Read more…